<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
</head>
<body>
<table border="1" align="center">
    <tr><!-- table row 表示行   table data 表格数据表示列-->
        <td colspan="2" align="center">1-1</td>
        <td>1-3</td>
        <td rowspan="2">1-4</td>
    </tr>
    <tr>
        <td>2-1</td>
        <td>2-2</td>
        <td>2-3</td>
    </tr>
    <tr>
        <td colspan="4" align="center">3-1</td>
    </tr>
</table>
<hr>
<table border="1" align="center">
    <tr>
        <td colspan="2">1-1</td>
        <td rowspan="2">1-3</td>
    </tr>
    <tr>
        <td rowspan="2">2-1</td>
        <td>2-2</td>
    </tr>
    <tr>
        <td colspan="2">3-2</td>
    </tr>
</table>
<hr>
<table border="1" align="center">
    <caption>购物车</caption>
    <tr>
        <th>编号</th>
        <th>商品名</th>
        <th>价格</th>
    </tr>
    <tr align="center">
        <td>1</td>
        <td>小米12 pro</td>
        <td>5999</td>
    </tr>
    <tr align="center">
        <td>2</td>
        <td>华为电视</td>
        <td>4000</td>
    </tr>
    <tr align="center">
        <td>总价:</td>
        <td colspan="2" align="center">9999.00元</td>
    </tr>
</table>
</body>
</html>